ANALYSIS OF THERMAL RADIATION FROM AN INHOMOGENEOUS CYLINDRICAL HUMAN BODY MODEL.

Uzunoglu Nikolaos, K; Cottis, PG; Papakonstantinou Petros, S

dc.contributor.author	Uzunoglu Nikolaos, K	en
dc.contributor.author	Cottis, PG	en
dc.contributor.author	Papakonstantinou Petros, S	en
dc.date.accessioned	2014-03-01T01:06:44Z
dc.date.available	2014-03-01T01:06:44Z
dc.date.issued	1987	en
dc.identifier.issn	0018-9480	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/9605
dc.subject	Human Body Model	en
dc.subject	Thermal Radiation	en
dc.subject.classification	Engineering, Electrical & Electronic	en
dc.subject.other	BIOLOGICAL MATERIALS - Tissue	en
dc.subject.other	HUMAN FORM MODELS - Thermal Effects	en
dc.subject.other	MICROWAVE MEASUREMENTS	en
dc.subject.other	RADIOMETERS - Microwaves	en
dc.subject.other	TEMPERATURE MEASUREMENT	en
dc.subject.other	DYADIC GREEN'S FUNCTION	en
dc.subject.other	FLUCTUATION-DISSIPATION THEOREM	en
dc.subject.other	INHOMOGENEOUS CYLINDRICAL HUMAN BODY MODEL	en
dc.subject.other	NONINVASIVE DIAGNOSTIC TECHNIQUES	en
dc.subject.other	THERMAL RADIATION ANALYSIS	en
dc.subject.other	RADIATION EFFECTS	en
dc.title	ANALYSIS OF THERMAL RADIATION FROM AN INHOMOGENEOUS CYLINDRICAL HUMAN BODY MODEL.	en
heal.type	journalArticle	en
heal.identifier.primary	10.1109/TMTT.1987.1133743	en
heal.identifier.secondary	http://dx.doi.org/10.1109/TMTT.1987.1133743	en
heal.language	English	en
heal.publicationDate	1987	en
heal.abstract	The thermal radiation from a cylindrical human-body model at UHF frequencies is investigated. The human-body model is taken to be a homogeneous cylinder at temperature T having a localized internal thermal inhomogeneity at temperature T plus DELTA T. The mean energy density for the near field outside the cylinder is determined by using the dyadic Green's function of the homogeneous cylinder and the fluctuation-disipation theorem. Analytical results are derived for the contributions of the homogeneous cylinder and the inhomogeneity region. Numberical results are presented for several geometries at low microwave frequencies where a reasonable transparency of tissues is expected. The possibility of using microwave radiometry techniques to measure temperature distributions in depth is discussed in relation to hyperthermia and the development of noninvasive diagnostic techniques. The emission from surrounding tissues limits the detectability of thermal inhomogeneities inside the body. By using frequencies on the order of 1 GHz, temperature measurement at depths up to 2 cm can be performed.	en
heal.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC	en
heal.journalName	IEEE Transactions on Microwave Theory and Techniques	en
dc.identifier.doi	10.1109/TMTT.1987.1133743	en
dc.identifier.isi	ISI:A1987J192800012	en
dc.identifier.volume	MTT-35	en
dc.identifier.issue	8	en
dc.identifier.spage	761	en
dc.identifier.epage	769	en